Corrigendum to "Physical Activity Promotes Gait Improvement in Patients With Total Knee Arthroplasty" [Journal of Arthroplasty 31(2016) 984-988].

Corrigendum to "Physical Activity Promotes Gait Improvement in Patients With Total Knee Arthroplasty" [Journal of Arthroplasty 31(2016) 984-988].